diff --git a/src/cligen/template/cmd_help.ecr b/src/cligen/template/cmd_help.ecr
index aa84e15..52ef103 100644
--- a/src/cligen/template/cmd_help.ecr
+++ b/src/cligen/template/cmd_help.ecr
@@ -3,6 +3,7 @@ Command: <%= @name %>
 Description: <%= @description %>
 <%- end -%>
 
+<%- unless @flags.empty? -%>
 <%- len = @flags.map{|f| f.short.nil? ? f.long.size : "#{f.short},#{f.long}".size}.max + 5 -%>
 
 Flags:
@@ -14,6 +15,7 @@ Flags:
     <%= "%-#{len}s %s" % [flag.long.strip, flag.description.strip] %>
   <%- end -%>
 
+<%- end -%>
 <%- end -%>
 <%- unless @commands.empty? -%>
 Other Commands